| ID | Name | Meaning |
|---|---|---|
| 1 | Site No. | Number of the site where the faulty board or module is located Value range: 0-2047 |
| 2 | Board Type | Number of the type which the faulty board belongs to. 147:PBU 196:P-PBU 197:R-PBU 198:D-PBU |
| 3 | Board No. | Number of the fault board 0:PBU 0 |
| 4 | PassNo | Number of the passage where the faulty board is located. |
| 5 | SubLink No. | Alarm sub-category number 255:None |
| 6 | Cell Index | Index of the cell where the board or module is located 0-2047: Cell index of the faulty cell in the data configuration 65535: None |
| 7 | Site Type | Type of the site where the faulty board is located. 12:BTS3012; 13:BTS3006C; 14:BTS3002E; 15:BTS3012AE; 16:BTS3012 II; |
| 8 | RackNo | Number of the rack where the faulty board is located. |
| 9 | BoxNo | Number of the subrack where the faulty board is located. |
| 10 | SlotNo | Number of the slot where the faulty board is located. |
| 11 | Site Name | Site Name |
| 12 | Alarm Attribute | Alarm Character 0:Normal 1:Transient Count |
When this alarm occurs, the output power of the PBU decreases, thus leading to shrinkage of cell coverage scope.
Check whether the environment control equipment is faulty. Clear the fault of the environment control equipment if any. View whether the alarm is cleared in 15 minutes.
Y=> The alarm handling ends.
N=> Go to Step 2.
Check whether the fan is in normal operation. Replace the fan box if faulty and make the fan run normally. View whether the alarm is cleared in 15 minutes.
Y=> The alarm handling ends.
N=> Go to Step 3.
Replace the PBU and view whether the alarm is cleared.
Y=> The alarm handling ends.